Connecting device



= 1 im" e Few. my 195@ H. EAW

CONNECTINC- DEVICE Filed June 30, 1945 Patented F eb. 21, 195.0

UNITED STATES PATENT OFFICE CONN ECTIN G DEVICE Thomas Howard Batt, Westeld, N. J., assignor to Western Electric Company, Incorporated,

New York, N. Y.,

a corporation of New York Application June 30, 1945, Serial No. 602,446

(Cl. 174-l5) Claims.

An object of high tension electrical cable in a insulating cone I4 1s a metal cone shaped member I5 which has threaded ends IB and I 1.

Fitted over the enlarged end of metal tube which is partially inserted into a metal collar 2| hand end of the collar by a clamp 23.

The left hand end of the metal tube 20 is soldered into a tubular coupling member which has a cylindrical shoulder 26. Resting against the shoulder 26 is a concentric flanged member 21 which has four apertures 28 for receiving bolts to clamp the couplingr member 25 to a companion coupling (not shown) in the electrical unit II or I2.

Secured to each end of the conductor I0 is a metal sleeve 30 which has threaded into it an cable in a surrounding air hose for the electrical plug 3I. the metal tube 20 and beyond the coupling member 25 so as to engage an electrical jack in a companion coupling (not shown) in the electri-v cal units II or I2.

In order to permit the electrical unit II to another electrical unit I 2 coincides with a longitudinal slot 33 (Figs. l-2) in the collar 2I to thus provide an air passageway from the electrical unit II through coupling member 25,'tube 2li, aperture 32, and slot 33 into the flexible hose 22.

The coupling with the air passageway shown in Fig. l is provided on both ends of the flexible hose 22 carrying the conductor I as indicated in Fig. 3, so that an air passageway the metal cone shaped members I5. These copper strands extend throughout the cable and are covered by a suitable insulation 36 (Fig. 1). The fanned out ends of the copper strands 35 are held in contact with the end of the cone shaped meme ber I5 by a tubular member 31 which nts over the insulation 36 and engages the ends of the copper strands. The tubular member 31 has a shoulder 38 which engages a shoulder sleeve 4U which is threaded onto the end I cone shaped vmember I5. As the sleeve 40 is threaded onto the end I1, the tubular member 31 is forced by the engaging shoulders 38-39 toward the end I1 and clamps the ianned out ends 'I of the of the copper strands between the end I1 and the tubular member 31 to give a good electrical ccntact.

Thus, the invention provides a two-way exible purpose of transmitting a current while maintaining the same air from one electrical unit to another: The maintaining of the same air pressure throughout prevents corona which would interfere with the` connected electrical units.

trical units located at various elevations.

The embodiment particularly disclosed and described herein is illustrative and may he modified without departing from the spirit and scope of the invention as dened by the appended claims.

'I'his plug extends through high tension, high frequencyI DIBSSUIB tor andsealed to the metal couplings, said couplings having passageways therethrough into the air tube and to the plugs.

2. A flexible electrical transmission and pressure line including a flexible insulated conductor, an enlarged cone shaped insulator at each end. of the conductor, a cone shaped sleeve surrounding each of said insulators, a coupling spaced from the conductor and secured to an end of each cone shaped sleeve, and an air hose surrounding the conductor and secured to the couplings, said coupllngs and sleeves being provided with air passageways therebetween into the airv hose.

3. A flexible electrical transmission and pressure line for interconnecting electrical units, comprising electrical couplings connected to the electrical units, a flexible insulated cable having enlarged cone shaped ends connected to the couplings, an air tube surrounding the cable, and means for fastening the ends -oi the air tube to the couplings at the enlarged cone shaped ends of the cable, said couplings having air passageways therethrough to provide for the passage of air from one electrical unit through the air tube into the other electrical unit.

4. A flexible electrical connection comprising a flexible electrical cable having two insulated conductors, a flexible `air tube surrounding the caJble, a hollow coupling secured to each end of the cable and tube and connected to one of the conductors, and an electrical plug positioned within the hollow coupling and electrically connected to each end of the second conductor in the cable, said couplings and lplugs being spaced apart to provide a passageway through the couplings into the air tube.

5. A flexible electrical transmission and rpressure line for electrically interconnecting a plurality oi electrical units andyior maintaining the same air pressure therein', comprising a cable having two flexible conductors insulated from each other, one of the conductors terminating at its ends in outwardly tapering enlargements to provide greater space between the conductors, a flexible air hose surrounding the conductors and [for carrying a predetermined air pressure, a unitary electrical coupling attached to each end of the air hose and. to each of the increased.- spaced ends of the conductors of the cable for connecting them to an electrical unit, due to the increased spacing between the conductors at the end oi the cable the said couplings 'have ample air passageways therethrough into the air hose to maintain the same air rpressure` on the terminal ends of each conductor and in the interconnected electrical units.

6. A high tension electrical transmission and pressure line for interconnecting a plurality of electrical units comprising electrical couplings connected to the electrical units, a flexible insulated calble connected tube surrounding the cable in spaced relation and secured to said couplings, said couplingshavng to the couplings, an air' 4 air passageways therethrough for the purpose of maintaining a predetermined air pressure throughout the length of the couplings and around the exible cable so that corona loss is reduced during transmission of high voltages.

7. A flexible electrical transmission and pressure line, comprising an insulated conductor, a second conductor spaced and insulated from the first conductor and terminating in a iiared out cone at each end, an electrical coupling connected to each oi the flared cone shaped ends of the second conductor and secured to each end of the rst conductor, and an air tube surrounding said conductors and connected to the couplings, each of said electrical couplings spaced from the said ared out cone shaped ends of the second conductor to provide an air passageway through the couplings into the air tube.

8. A iiexible electrical transmission and pressure line including a flexible conductor, a secondi conductor insulated from the rst conductor, ani enlarged cone shaped insulator at each end of the first conductor, a cone shaped conductor 1 sleeve surrounding each of said insulators and connected to the ends of the second conductor, a coupling spaced from the rst conductor and secured to an end of each cone shaped sleeve, and an air hose surrounding the conductors and se` cured to the couplings, said couplings beingprofvided with air passageways into the air hose.

9. A flexible electrical transmission and pres-- sure line including a iiexible insulated conductor, an enlarged cone shaped insulator at each end ofv the conductor, a cone shaped sleeve surrounding each of said insulators, a coupling spaced froml the conductor and secured to an end of each cone shaped sleeve, and an air hose surrounding thel conductor and secured to the couplings, said couplings being provided with air passageways' into the air hose.

10. In an electrical transmission line, a tubular conductor, an insulated conductor centrally4 spaced within the tubular conductor, a detachable electric plug connected to an end of said insulated .l conductor, a cylindrical terminal secured byy the insulation of the insulated conductor andelec!v trically connected to the end of the tubular conductor and concentrically spaced from the-v plug therein to provide a passageway ,there-4 between, and a hollow insulating tube connected to the cylindrical terminal and surrounding-theI conductors throughout the length thereof, saidr cylindrical terminal having an opening intothe insulating tube. i

THOMAS HOWARD BATT.

REFERENCES CITED The following references are of reco'rdfin the iile of this patent: y

UNITED STATES leATFiv'rs'` Number Name Daten", 1,279,252 Capp 1--- Sept. 17,1918 1,548,204 Moesta 'jAug. 4,1925 1,912,794 Peterson June 6,'y 1933 2,189,091 Unterbusch Feb.l6, 1940 2,241,687 Warnke May 13, 1941' 2,302,839 Burgett Nov, 24, 194'2 2,320,470 Rees June l; 1943 FOREIGN PATENTS Number Country Datei? 181,796 Great Britain June16.' 11922 

